Input validation error in macOS - CVE-2021-30721
Published: May 24, 2021 / Updated: June 3, 2021
Vulnerability identifier: #VU53491
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30721
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input when processing paths in smbx. A remote attacker on the local network can pass specially crafted input to the application and gain access to sensitive information.
Affected software
macOS
How to mitigate CVE-2021-30721
Install updates from vendor's website.
macOS - addressed in versions 11.4 20F71, 10.14.6 18G9216, 10.15.7 19H1217